申请人:Universal Display Corporation
公开号:US10608186B2
公开(公告)日:2020-03-31
A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is provided. The first compound includes at least one substituent R, where each of the at least one substituent R has the formula of: - - -G1-G2, where the dashed line denotes the bond through which R is attached in the first compound; G1 is a non-aromatic cyclic or polycyclic group; G2 is selected from aryl and heteroaryl; and G1 and G2 are independently, optionally further substituted with a substituent selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof. Organic light emitting devices, consumer products, and formulations containing the first compound are also provided.
本发明提供了一种包含能在室温下用作有机发光器件中
磷光发射器的第一种化合物的组合物。第一种化合物包括至少一个取代基 R,其中每个至少一个取代基 R 的式子为--G1-G2,其中虚线表示 R 在第一化合物中通过其连接的键;G1 是非芳香环基或多环基;G2 选自芳基和杂芳基;G1 和 G2 独立地、任选地进一步被选自氢、
氘、卤化物、烷基、环烷基、杂烷基、芳烷基、烷氧基、芳氧基、
氨基、
硅烷基、烯基、环烯基、杂烯基、炔基、芳基、杂芳基、酰基、羰基、
羧酸、酯、腈、异腈、
硫酰基、亚砜基、磺酰基、膦基及其组合的取代基取代。此外,还提供了含有第一种化合物的有机发光器件、消费品和制剂。